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Desert Tech MDRx Side Eject 5.56x45mm NATO / .223 Wylde Caliber Conversion Kit

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Desert Tech MDRx Side Eject Caliber Conversion Kit, w/ Bolt, 16in 5.56x45mm NATO/ .223 Remington Barrel, 10 Round Magazine, Black, MDR-CK-B1610-SE
Desert Tech MDRx Side Eject Caliber Conversion Kit, w/ Bolt, 20in 5.56x45mm NATO/ .223 Remington Barrel, 10 Round Magazine, Black, MDR-CK-B2010-SE
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Desert Tech MDRX and MDR Micron Conversion Kit
Desert Tech MDRx Side Eject Caliber Conversion Kit, w/ Bolt, 16in 5.56x45mm NATO/ .223 Remington Barrel, 10 Round Magazine, Black, MDR-CK-B1610-SE
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Desert Tech MDRx Side Eject Caliber Conversion Kit, w/ Bolt, 16in 5.56x45mm NATO/ .223 Remington Barrel, 10 Round Magazine, Black, MDR-CK-B1610-SE
Desert Tech MDRx Side Eject Caliber Conversion Kit, w/ Bolt, 20in 5.56x45mm NATO/ .223 Remington Barrel, 10 Round Magazine, Black, MDR-CK-B2010-SE
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Desert Tech MDRx Side Eject Caliber Conversion Kit, w/ Bolt, 20in 5.56x45mm NATO/ .223 Remington Barrel, 10 Round Magazine, Black, MDR-CK-B2010-SE

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Questions & Answers

Product Discontinued by Manufacturer

Desert Tech MDRx Side Eject 5.56x45mm NATO / .223 Wylde Caliber Conversion Kit has been discontinued by Desert Tech and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts yourself to try and find the perfect replacement for you!

Product Info for Desert Tech MDRx Side Eject 5.56x45mm NATO / .223 Wylde Caliber Conversion Kit

This Desert Tech MDRx Side Eject 5.56x45mm NATO / .223 Wylde Caliber Conversion Kit converts your .223 Wylde rifle or carbine to a 5.56x45mm NATO caliber and back again with some extra magazine capacity. Desert Tech built these Conversion Kits to survive the harshest military conditions. Once you install this caliber conversion kit, you can convert your 5.56x45mm NATO or .223 Wylde caliber rifle or carbine into a side-eject 5.56x45mm NATO or .223 Wylde caliber rifle with magazine capacity of 10 rounds. Equipping this Desert Tech MDRx Side Eject 5.56x45mm NATO/.223 Wylde Caliber Conversion Kit will boost the capacity of your firearm, and it is perfect for a home-defense setup or a tactical mission.image

Package Contents:

  • Desert Tech MDRx Side Eject 5.56x45mm NATO / .223 Wylde Caliber Conversion Kit

Ammunition

1–37 / 37
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On Sale
PMC Ammunition X-TAC Light Armor Piercing 5.56x45mm NATO 62 Grain Brass Cased Centerfire Rifle Ammunition
PMC Ammunition X-TAC Light Armor Piercing 5.56x45mm NATO 62 Grain Brass Cased Centerfire Rifle Ammunition
(103)
As Low As (Save Up to 26%)
$11.29
$0.52 - $0.56/Round
See all 2 models
Blazin' Deal
Hornady Frontier 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
Hornady Frontier 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
(41)
As Low As (Save Up to 34%)
$10.39
$0.52 - $0.62/Round
See all 4 models
Best Rated
Hornady Frontier 5.56x45mm NATO 75 grain Boat Tail Hollow Point (BTHP) Brass Centerfire Rifle Ammunition
Hornady Frontier 5.56x45mm NATO 75 grain Boat Tail Hollow Point (BTHP) Brass Centerfire Rifle Ammunition
(25)
As Low As (Save Up to 32%)
$14.09
$0.70 - $0.98/Round
See all 2 models
Best Rated
Hornady Frontier 5.56x45mm NATO 68 grain Boat-Tail Hollow Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, FR310
Hornady Frontier 5.56x45mm NATO 68 grain Boat-Tail Hollow Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, FR310
(12)
List: $18.89 (Save 31%)
$13.09
$0.65/Round
15% Coupon
Hornady BLACK 5.56x45mm NATO 75 Grain InterLock HD SBR Centerfire Rifle Ammunition
Hornady BLACK 5.56x45mm NATO 75 Grain InterLock HD SBR Centerfire Rifle Ammunition
(19)
As Low As (Save Up to 29%)
$21.09
$1.05 - $1.24/Round
See all 2 models
Blazin' Deal
Aguila Ammunition 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket Brass Cased Rifle Ammunition
Aguila Ammunition 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket Brass Cased Rifle Ammunition
(3)
As Low As (Save Up to 33%)
$17.99
$0.44 - $0.60/Round
See all 2 models
Best Rated
Hornady BLACK 5.56x45mm NATO 62 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81263
Hornady BLACK 5.56x45mm NATO 62 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81263
(7)
List: $24.99 (Save 27%)
$18.19
$0.91/Round
Best Rated
Winchester USA 5.56x45mm NATO 55 grain Ball (M193) Full Metal Jacket Brass Centerfire Rifle Ammunition
Winchester USA 5.56x45mm NATO 55 grain Ball (M193) Full Metal Jacket Brass Centerfire Rifle Ammunition
(147)
Price After Rebate As Low As
$10.20
$0.51 - $0.57/Round
See all 7 models
Best Rated
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 70 Grain, 20 - Rounds, *31191
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 70 Grain, 20 - Rounds, *31191
(14)
List: $37.79 (Save 13%)
$32.89
$1.64/Round
Best Rated
Hornady Superformance 5.56x45mm NATO 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81264
Hornady Superformance 5.56x45mm NATO 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81264
(8)
List: $33.39 (Save 24%)
$25.49
$1.27/Round
Freedom Munitions 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
Freedom Munitions 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
As Low As (Save Up to 24%)
$25.49
$0.51 - $0.58/Round
See all 2 models
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 1000 Rounds, 50009
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 1000 Rounds, 50009
(1)
List: $525.00 (Save $27.31)
$497.69
$0.50/Round
Hornady Frontier 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Rifle Ammunition
Hornady Frontier 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Rifle Ammunition
(2)
As Low As (Save Up to 19%)
$14.69
$0.70 - $0.73/Round
See all 2 models
PMC 556M55BP Battle Pack 5.56 NATO 62 Gr Light Armor Piercing LAP
PMC 556M55BP Battle Pack 5.56 NATO 62 Gr Light Armor Piercing LAP
List: $89.00 (Save 12%)
$78.59
$0.65/Round
Final Sale
Ammo, Inc. 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 200 Round, Box, 556055FMJ-A200
Ammo, Inc. 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 200 Round, Box, 556055FMJ-A200
(1)
List: $147.62 (Save 21%)
$117.29
$0.59/Round
Best Rated
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 62 Grain, 20 - Rounds, *31190
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 62 Grain, 20 - Rounds, *31190
(10)
List: $37.79 (Save 16%)
$31.89
$1.59/Round
PPU PPRM5561M 5.56X45 55 FMJBT RNGMSTR
PPU PPRM5561M 5.56X45 55 FMJBT RNGMSTR
List: $830.99 (Save 26%)
$614.29
$0.61/Round
Best Rated
Winchester USA 5.56x45mm NATO 55 Grain Full Metal Jacket Centerfire Rifle Ammo, 125 Rounds, USA193125
Winchester USA 5.56x45mm NATO 55 Grain Full Metal Jacket Centerfire Rifle Ammo, 125 Rounds, USA193125
(19)
Price After Rebate
$63.49
$0.60/Round
G9 Defense 5.56mm 54 Grain Barrier Blind Hollow Point Brass Cased Pistol Ammo, 20 Rounds, B-556-54A
G9 Defense 5.56mm 54 Grain Barrier Blind Hollow Point Brass Cased Pistol Ammo, 20 Rounds, B-556-54A
(2)
List: $38.99 (Save 13%)
$33.99
$1.70/Round
Hornady Superfomance 5.56 Nato 55 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 812544
Hornady Superfomance 5.56 Nato 55 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 812544
(3)
List: $37.99 (Save 21%)
$29.89
$1.49/Round
Fort Scott Munitions 5.56 NATO Copper 62 Grain Centerfire Rifle Ammo, 20 Rounds, 556-062-SCV1
Fort Scott Munitions 5.56 NATO Copper 62 Grain Centerfire Rifle Ammo, 20 Rounds, 556-062-SCV1
(2)
List: $28.41 (Save 15%)
$24.09
$1.20/Round
Fort Scott Munitions .5.56 NATO 40 Grain CNC Machined Copper Brass Rifle Ammo, 20 Rounds, 556-040-SCV
Fort Scott Munitions .5.56 NATO 40 Grain CNC Machined Copper Brass Rifle Ammo, 20 Rounds, 556-040-SCV
List: $28.06 (Save 16%)
$23.49
$1.17/Round
PMC 556XBP Battle Pack 5.56 NATO 55 Gr Full Metal Jacket Boat Tail FMJBT
PMC 556XBP Battle Pack 5.56 NATO 55 Gr Full Metal Jacket Boat Tail FMJBT
List: $144.00 (Save 10%)
$129.59
$0.65/Round
Fort Scott Munitions .5.56 NATO 70 Grain CNC Machined Copper Brass Rifle Ammo, 20 Rounds, 556-070-SCV
Fort Scott Munitions .5.56 NATO 70 Grain CNC Machined Copper Brass Rifle Ammo, 20 Rounds, 556-070-SCV
List: $28.71 (Save $2.12)
$26.59
$1.33/Round
Fort Scott Munitions, 5.56x45mm NATO, 55 grain, Copper Solid, Brass, Centerfire Rifle Ammo, 20, 556-055-SCV
Fort Scott Munitions, 5.56x45mm NATO, 55 grain, Copper Solid, Brass, Centerfire Rifle Ammo, 20, 556-055-SCV
List: $28.32 (Save 16%)
$23.79
$1.19/Round
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 20 Rounds, 556 55 loaded
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 20 Rounds, 556 55 loaded
(1)
List: $18.49 (Save 37%)
$11.69
$0.58/Round
Barnes Precision Match 5.56x45mm NATO 85 grain Match Burner Open Tip Match Boat Tail Centerfire Rifle Ammo, 20 Rounds, *30848
Barnes Precision Match 5.56x45mm NATO 85 grain Match Burner Open Tip Match Boat Tail Centerfire Rifle Ammo, 20 Rounds, *30848
(4)
List: $37.79 (Save 16%)
$31.89
$1.59/Round
Best Rated
PMC Ammunition X-TAC, 5.56x45mm NATO, 55 grain, Full Metal Jacket, Brass, Centerfire Rifle Ammo, 20, 556X
PMC Ammunition X-TAC, 5.56x45mm NATO, 55 grain, Full Metal Jacket, Brass, Centerfire Rifle Ammo, 20, 556X
(63)
List: $15.99 (Save 32%)
$10.89
$0.54/Round
Armscor Precision Inc .223 Remington/5.56x45mm NATO Blank Brass Cased Rifle Ammo, 20 Rounds, 50172PH-20RD
Armscor Precision Inc .223 Remington/5.56x45mm NATO Blank Brass Cased Rifle Ammo, 20 Rounds, 50172PH-20RD
(1)
List: $12.99 (Save 12%)
$11.39
$0.57/Round
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Hollow Point Centerfire Pistol Ammo, 20 Rounds, HMBX-556-24
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Hollow Point Centerfire Pistol Ammo, 20 Rounds, HMBX-556-24
List: $49.99 (Save 24%)
$37.79
$1.89/Round
PPU 5.56x45mm NATO 0 grain Brass Cased Blank Ammo, 20 Rounds, PPB556
PPU 5.56x45mm NATO 0 grain Brass Cased Blank Ammo, 20 Rounds, PPB556
List: $22.49 (Save 33%)
$15.09
$0.75/Round
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Pistol Ammo, 20 Rounds, HMBX-556-25
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Pistol Ammo, 20 Rounds, HMBX-556-25
List: $49.99 (Save 23%)
$38.49
$1.92/Round
Best Rated
Winchester USA 5.56x45mm NATO 62 grain Green Tip M855 Full Metal Jacket Boat Tail FMJBT Brass Centerfire Rifle Ammunition
Winchester USA 5.56x45mm NATO 62 grain Green Tip M855 Full Metal Jacket Boat Tail FMJBT Brass Centerfire Rifle Ammunition
(132)
Price After Rebate As Low As
$10.62
$0.53 - $0.55/Round
See all 7 models
Magtech 5.56X45 M193 55 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 556A
Magtech 5.56X45 M193 55 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 556A
(1)
List: $32.63
$32.39
$0.65/Round
Best Rated
Winchester USA Valor, 5.56mm, 62 grain, Full Metal Jacket, Green Tip, Brass, Centerfire Rifle Ammo, 125, USA855125
Winchester USA Valor, 5.56mm, 62 grain, Full Metal Jacket, Green Tip, Brass, Centerfire Rifle Ammo, 125, USA855125
(24)
Price After Rebate
$63.49
$0.60/Round
Winchester Lake City 5.56 MM M855 FMJ WIN 62 GR 50 Green Tip 50-20RD Box 1000 rds tot, WM855K Case
Winchester Lake City 5.56 MM M855 FMJ WIN 62 GR 50 Green Tip 50-20RD Box 1000 rds tot, WM855K Case
List: $779.99 (Save $63.80)
$716.19
$0.72/Round
PMC Ammunition X-Tac Rifle Ammo 5.56x45mm 55 gr FMJBT 3120 fps 1000/Box, 5.56X Case
PMC Ammunition X-Tac Rifle Ammo 5.56x45mm 55 gr FMJBT 3120 fps 1000/Box, 5.56X Case
List: $683.99 (Save 13%)
$597.59
$0.60/Round
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Desert Tech MDRx Side Eject 5.56x45mm NATO / .223 Wylde Caliber Conversion Kit Accessories

1–2 / 2
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Best Rated
JARD Desert Tech MDR / MDRX Trigger System, Black, 4656
JARD Desert Tech MDR / MDRX Trigger System, Black, 4656
(5)
List: $289.49 (Save $19.54)
$269.95
MTM Ammo Rack w 4 RS-50-24 Ammo boxes, Dark Earth/Clear Blue, ARRS
MTM Ammo Rack w 4 RS-50-24 Ammo boxes, Dark Earth/Clear Blue, ARRS
(2)
List: $37.97 (Save $3.18)
$34.79
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Forends/Handguards

1–5 / 5
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Blazin' Deal
BLK LBL MDRX Handguard 20 Rifle Handguard
BLK LBL MDRX Handguard 20 Rifle Handguard
As Low As (Save Up to 27%)
$225.99
See all 4 models
BLK LBL MDRX Bipod 16 Rifle Handguard, Flat Dark Earth, 9, BL-MDRX-B-16-FDE
BLK LBL MDRX Bipod 16 Rifle Handguard, Flat Dark Earth, 9, BL-MDRX-B-16-FDE
List: $569.00 (Save 13%)
$495.03
Final Sale
BLK LBL MDRX Bipod 20 Rifle Handguard
BLK LBL MDRX Bipod 20 Rifle Handguard
As Low As (Save Up to 16%)
$519.99
See all 2 models
BLK LBL WLVRN ALX Handguard with Integrated Bipod
BLK LBL WLVRN ALX Handguard with Integrated Bipod
As Low As (Save Up to 10%)
$550.00
See all 6 models
Blazin' Deal
BLK LBL MDRX Handguard 16 Rifle Handguard
BLK LBL MDRX Handguard 16 Rifle Handguard
As Low As (Save Up to 10%)
$225.00
See all 3 models
Next

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Desert Tech MDRx Side Eject 5.56x45mm NATO / .223 Wylde Caliber Conversion Kit Unavailable & Discontinued Models

List of Unorderable Models

  • Desert Tech MDRx Side Eject Caliber Conversion Kit, w/ Bolt, 16in 5.56x45mm NATO/ .223 Remington Barrel, 10 Round Magazine, Black, MDR-CK-B1610-SE , MPN: MDR-CK-B1610-SE , UPC: 813865025923 , Code: 3FI-CNC-DTCC2-MDR-CK-B1610-SE-10RD
  • Desert Tech MDRx Side Eject Caliber Conversion Kit, w/ Bolt, 20in 5.56x45mm NATO/ .223 Remington Barrel, 10 Round Magazine, Black, MDR-CK-B2010-SE , MPN: MDR-CK-B2010-SE , UPC: 813865025244 , Code: 3FI-CNC-DTCC2-MDR-CK-B2010-SE-10RD
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